Adds ceilometer-alarm support

  - simple and HA mode
  - some refactoring in the alarm manifests

Change-Id: I31f62e55e96cdfad298f03cd1f843db43a0e8dbd
Implement commit order kludge

Closes-Bug: #1259134
Change-Id: Id8d14cefd54d4f35a8c781475c1c59eab7ad19fc
Merge "Adds ceilometer-alarm support"
Merge "Implement commit order kludge"